Subject: Camping USA

Been thinking of camping a few days bringing my own tent and pitching it at a campsite.
But some websites say "Self-contained mobile campers not allowed"

What does it mean?

Thanks.

They are referring to Winnebagos and such:

http://www.winnebagoind.com/products/winnebago/
(edited)

Alright, thanks for clearing that up.

np have fun